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H6: correction: medical device problem code 2889 was removed and 1255 was added.A visual inspection was performed on the returned device.The reported separation was confirmed.The reported difficulty removing the device could not be replicated in a testing environment due to the condition of the returned device.The reportable balloon bunching could not be confirmed since the that portion of the device was not returned for analysis.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history of the reported lot did not indicate a lot specific quality issue.It should be noted that the coronary dilatation catheters (cdc), nc trek rx, global, instruction for use (ifu) states: withdraw the deflated dilatation catheter and guide wire from the guiding catheter through the hemostatic valve.Additionally, the warning section states: if resistance is felt, determine the cause before proceeding.Continuing to advance or retract the catheter while under resistance may result in damage to the vessels and / or damage / separation of the catheter.In this case, it is likely that the balloon being removed not fully deflated resulted in the reported bunching of the balloon, difficulty removing the device and subsequently as force was applied the device ultimately separated.Additionally, it was reported that the procedure was to treat a stenosed anastomosis lesion in the left radial artery fistula.It should be noted that the coronary dilatation catheters (cdc), nc trek rx, global, instructions for use (ifu) states: the nc trek rx coronary dilatation catheter is indicated for: a) balloon dilatation of the stenotic portion of a coronary artery or bypass graft stenosis, for the purpose of improving myocardial perfusion b) balloon dilatation of a coronary artery occlusion, for the purpose of restoring coronary flow in patients with st-segment elevation myocardial infarction c) balloon dilatation of a stent after implantation (balloon models 2.00 mm ¿ 5.00 mm only).In this case, it is unknown if the ifu violation contributed to the reported complaint because abbott has not evaluated this use.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.The investigation determined the reported balloon bunching, difficulty removing the device and separation appear to be related to user error since the physician did not wait long enough for the balloon to deflate before attempting to remove it.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.
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